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knc1 · 11-17-2014, 05:12 AM

First:

, then ...

Tread carefully, there be dragons lurking in this forest.

Protect yourself from OTA updates
Turn Airplane Mode ON
Do it now!
Do you have KUAL installed already?
- Yes
  Install the backdoor lock and lock it.
- No
  - If you're already Jailbroken, consider installing KUAL along with the Backdoor lock and lock it.
  - If you're not Jailbroken yet, either install the following manual OTA rename or Jailbreak now and then revisit this post.
Do you have the manual OTA rename installed already?
- Yes
  Good! Leave it! It does not interfere with the KUAL / Backdoor lock above.
- No
  Either install it or install the KUAL / Backdoor lock and lock the back door.
  Installation of the manual OTA rename does not require the device to be Jailbroken first.
Note: You may use both, the Backdoor lock and the manual OTA rename.

Your current PW2 firmware version is:
- 5.4.0 or older:
  - 5.4.0 is the most recent firmware that provides decent support for our Collections Manager.
  - If our collection manager is important to you, stay with this version.
  - If Amazon's cloud collections manager is important to you **and nothing else** proceed to installing version 5.6.1 of the firmware **AFTER** installing the most recent jailbreak.
- 5.4.3.2 or older:
  These are the most recent firmware versions that can be Jailbroken.
  Is your device Jailbroken?
  - Yes
    Continue with this selection matrix, the JB will survive (if most recent version).
  - No
    Jailbreak your device now, then re-visit this selection matrix.
- 5.4.5 or older:
  If also more recent that 5.4.3.2, the device can be jailbroken by downgrading to an older version firmware.
  Is your device Jailbroken?
  - Yes
    Continue with this selection matrix, the JB will survive (if most recent version).
  - No
    - Downgrade to version 5.4.3.2 or older.
    - Re-visit this selection matrix.
- 5.6.0 or newer:
  Hope you enjoy adding and using a serial port, because other than that, you're screwed (unless previously jailbroken).
  Of course, people are working to change that.
References:
- Manual OTA rename:
  https://www.mobileread.com/forums/sho...41&postcount=3
  Note: Not effective when running 5.6.x series firmware.
- Backdoor Lock:
  https://www.mobileread.com/forums/sho...d.php?t=205666
  Note: Recently updated to be effective when running 5.6.x series firmware.
- Downgrade HowTo:
  https://www.mobileread.com/forums/sho...2&postcount=12
- How to get older firmware versions:
  https://www.mobileread.com/forums/sho...postcount=1301
- De-bricking a PW2:
  (Note: not yet confirmed with the devices using the 5.6.1 firmware version.)
  Open spoiler at: https://www.mobileread.com/forums/sho...98&postcount=6

Hard to believe, but it took me over two hours to write this little post.

11-17-2014, 05:12 AM	#6
knc1 Going Viral Posts: 17,212 Karma: 18210809 Join Date: Feb 2012 Location: Central Texas Device: No K1, PW2, KV, KOA	I have an overpowering urge to do something to my PW2 First: , then ... Tread carefully, there be dragons lurking in this forest. Protect yourself from OTA updates Turn Airplane Mode ON Do it now! Do you have KUAL installed already? Yes Install the backdoor lock and lock it. No If you're already Jailbroken, consider installing KUAL along with the Backdoor lock and lock it. If you're not Jailbroken yet, either install the following manual OTA rename or Jailbreak now and then revisit this post. Do you have the manual OTA rename installed already? Yes Good! Leave it! It does not interfere with the KUAL / Backdoor lock above. No Either install it or install the KUAL / Backdoor lock and lock the back door. Installation of the manual OTA rename does not require the device to be Jailbroken first. Note: You may use both, the Backdoor lock and the manual OTA rename. Your current PW2 firmware version is: 5.4.0 or older: 5.4.0 is the most recent firmware that provides decent support for our Collections Manager. If our collection manager is important to you, stay with this version. If Amazon's cloud collections manager is important to you and nothing else proceed to installing version 5.6.1 of the firmware AFTER installing the most recent jailbreak. 5.4.3.2 or older: These are the most recent firmware versions that can be Jailbroken. Is your device Jailbroken? Yes Continue with this selection matrix, the JB will survive (if most recent version). No Jailbreak your device now, then re-visit this selection matrix. 5.4.5 or older: If also more recent that 5.4.3.2, the device can be jailbroken by downgrading to an older version firmware. Is your device Jailbroken? Yes Continue with this selection matrix, the JB will survive (if most recent version). No Downgrade to version 5.4.3.2 or older. Re-visit this selection matrix. 5.6.0 or newer: Hope you enjoy adding and using a serial port, because other than that, you're screwed (unless previously jailbroken). Of course, people are working to change that. References: Manual OTA rename: https://www.mobileread.com/forums/sho...41&postcount=3 Note: Not effective when running 5.6.x series firmware. Backdoor Lock: https://www.mobileread.com/forums/sho...d.php?t=205666 Note: Recently updated to be effective when running 5.6.x series firmware. Downgrade HowTo: https://www.mobileread.com/forums/sho...2&postcount=12 How to get older firmware versions: https://www.mobileread.com/forums/sho...postcount=1301 De-bricking a PW2: (Note: not yet confirmed with the devices using the 5.6.1 firmware version.) Open spoiler at: https://www.mobileread.com/forums/sho...98&postcount=6 Hard to believe, but it took me over two hours to write this little post. Last edited by knc1; 02-03-2015 at 10:21 AM. Reason: Added note of hope to 5.6.1 case.